<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Calendar</title>
    <link rel="stylesheet" type="text/css" href="./css/style.css">
</head>

<body>
    <div class="calendar"></div>

    <script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"></script>        
    <script src="./js/index.js"></script>
    <script>
    var year = (new Date()).getFullYear()+1;
        $('.calendar').calendar({
	    limitRange:[['today',year+'0101']],
	    isRange:true
    });
    </script>
</body>
</html>